Material:Forged 4340 Steel. Eagle forged 4340 steel Cranks feature a non-twist forging. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished.
Eagle Crankshaft 434736226100; 3.622" Stroke Forged 4340 Steel for Chevy LS
Eagle Crankshaft 103023252; Cast Steel 3.25 Stroke 5.4 in. Rod for SBF 302 Mains
Eagle Crankshaft 104564000; Cast Steel 4.000 in. Stroke 1pc Rear Main for BBC
Eagle Crankshaft 103023402; Cast 3.400 in., 5.4 in. Rod, 28oz Ext for 302 SBF
Eagle Crankshaft 435140006200; Forged 4.000 in. Stroke for Ford SBF (351W Mains)
Eagle Crankshaft 534740006100; Forged 4140 Steel 4 in. Stroke 58t for Chevy LS